Selecting papers and boards (AQA GCSE Design and Technology): Revision Notes

Selecting papers and boards

When designing products using paper and board materials, you need to make informed decisions about which materials will work best for your specific project. This selection process involves balancing multiple factors to ensure your design is functional, cost-effective, and suitable for its intended purpose.

Design consideration framework

Functionality and performance requirements

Functionality focuses on what your design must accomplish and who will use it. You need to identify the specific performance standards your product must meet. For instance, if you're creating packaging for electronics, it needs to provide protection from static electricity and physical damage, while food packaging must maintain hygiene standards and preserve freshness.

Scale of production considerations

The number of items you plan to produce significantly affects which materials and processes you can use. Large-scale production allows for specialised equipment and bulk material purchasing, while smaller production runs need more flexible approaches. This factor influences everything from joining methods to manufacturing equipment requirements.

Environmental impact factors

Modern design increasingly prioritises sustainability throughout a product's lifecycle. You must consider how materials are sourced, the energy required for production, waste generated during manufacturing, and end-of-life disposal or recycling options. Choosing environmentally responsible materials helps reduce your design's overall environmental footprint.

Aesthetic and visual appeal

How your product looks directly influences customer acceptance and market success. This involves selecting appropriate colours, textures, and surface finishes that appeal to your target audience. The visual elements must also support the product's function - for example, medical packaging might use clean, clinical colours to communicate safety and sterility.

Material availability and standards

Working with readily available materials in standard sizes and specifications helps control costs and ensures reliable supply chains. You need to research what paper and board types, thicknesses, and components suppliers can easily provide. Using non-standard materials often increases costs and production complexity.

Cost analysis and budgeting

Every design project operates within financial constraints that affect material selection. You must balance the cost of raw materials with processing expenses to create your final product. The target selling price and available budget determine what materials you can realistically use while maintaining profitability.

Mechanical strength properties

The structural requirements of your design determine what mechanical properties your materials need. Tension strength affects how well materials resist pulling forces, compression strength determines resistance to crushing, and shear strength influences how materials handle sideways forces. Different applications require different combinations of these properties.

Physical characteristics

Material properties like weight, density, absorbency, and fusibility affect how your product performs in real-world conditions. Lightweight materials might be essential for shipping cost control, while absorbency could be either desirable (for paper towels) or problematic (for outdoor signage).

Social considerations and accessibility

Responsible design considers the diverse needs of all potential users. This includes ensuring accessibility for people with disabilities, accommodating different age groups, and respecting religious or cultural requirements. Social factors also encompass broader community impacts and changing consumer expectations.

Ethical sourcing and manufacturing

Ethical considerations involve how materials are produced and by whom. This includes supporting fair trade practices, ensuring safe working conditions, and avoiding materials from sources that exploit workers or communities. Many consumers now actively choose products from ethically responsible companies.

Cultural factors and user beliefs

Understanding your target market's cultural background, beliefs, and preferences helps ensure your material choices resonate with users. Fashion trends, traditional preferences, and cultural symbolism associated with colours or textures all influence how people perceive and accept your design.

Finish requirements and durability

The intended lifespan of your product determines what protective finishes or treatments might be necessary. Short-term use items like food packaging need minimal protection, while outdoor signage requires weather-resistant finishes to maintain appearance and function over extended periods.

Practical application example

Improving material properties

Paper and board materials can be enhanced through various techniques to better meet specific design requirements. Understanding these enhancement methods allows you to modify standard materials rather than sourcing specialised alternatives.

Enhancing flexibility

Scoring creates controlled fold lines by partially cutting or pressing lines into the material surface. This technique allows precise bending for creating boxes, packaging, or three-dimensional forms while maintaining clean, professional-looking edges.

Increasing rigidity and strength

Folding techniques can dramatically increase the structural strength of paper and board materials. Strategic folding creates rigid forms from relatively thin materials, while multiple folds can produce surprisingly strong construction elements.

Surface improvement methods

Laminating involves bonding additional layers to paper or board surfaces, improving durability, moisture resistance, and visual appeal. Encapsulation surrounds materials with protective layers, providing comprehensive protection while enhancing structural integrity.